As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) CAA AD 024-05-87 REQUIRES COMPLIANCE WITH BAE SB 53-A-JA870510. PART C OF THIS BULLETIN REQUIRES A 1600 CYCLE TORQUE CHECK OF THE NLG RETRACT JACK ATTACH BOLTS. DURING THE CHECK AT THIS TIME ONE OF THE BOLTS SHEARED. ALL BOLTS WERE REPLACED WITH NEW. GOING BACK THROUGHT THE RECORDS IT APPEARS THAT THIS BOLT MAY BE AN ORIGINAL. AIRCRAFT TSN IS 14937.4 AND CSN 16568